#include <iostream>
#include <string>

class MyString : public std::string {};

int main()
{
	std::cout << "std::is_aggregate_v<std::string> = "
		<< std::is_aggregate_v<std::string> << std::endl;
	std::cout << "std::is_aggregate_v<MyString> = "
		<< std::is_aggregate_v<MyString> << std::endl;
}
